@article{qu_zhang_guo_geng_xia_2007,  title={Microwave-assisted rapid and regioselective synthesis of N-(alkoxycarbonylmethyl) nucleobases in water},  volume={18},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532007000500028},  DOI={10.1590/S0103-50532007000500028},  number={5},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Qu, Guirong and Zhang, Zhiguang and Guo, Haiming and Geng, Mingwei and Xia, Ran},  year={2007},  pages={1061–1067} }